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DSST Physical Sciences Principles

Subjects : dsst, science

Instructions:

Answer 31 questions in 15 minutes.
If you are not ready to take this test, you can study here.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

1. Increasing the frequency of light
Twice the work
Sulfur
Increases the energy
Universal

2. The theoretical production curve of oil indicates oil production is...
Remains unchanged
Halogen radicals interfering in ozone synthesis
Difference between the heat supplied and the heat exhausted
Near a maximum

3. A 5 kg fish that is swimming toward it at a velocity that brings both fish to a halt. What is the speed of the smaller fish?
Total internal energy of an object
Waste heat for secondary uses
Increases the energy
5 m/s

4. The ozone hole results from...
Halogen radicals interfering in ozone synthesis
Less on the moon
Newtons third principle of Universal Gravitation
Disorder

5. In burning coal - what contaminant is of major concern as a pollutant...
Means less power is transmitted
Sulfur
Third principle of Centripetal force
Mechanical - chemical - and radiant energy

6. At a given speed - the centripetal force - the smaller the circle.
12 miles per hour
Third principle of Centripetal force
Increases the energy
Halogen radicals interfering in ozone synthesis

7. The reason that a spear fisherman cannot see where the fish is actually located is...
First principle of Centripetal force
Newtons second principle of Universal Gravitation
Difference in the sped of light in water vs. air
Momentum

8. In a generator - the flow of electrons (current) is created by...
Difference between the heat supplied and the heat exhausted
Third principle of Centripetal force
Movement
Might stay the same

9. A ship travels 3 miles in 15 minutes what is its speed in miles per hour...
12 miles per hour
Less on the moon
5 m/s
Newtons first principle of Universal Gravitation

10. Circular motion requires centripetal force
First principle of Centripetal force
Universal
Newtons first principle of Universal Gravitation
Mechanical - chemical - and radiant energy

11. cogeneration uses...
Waste heat for secondary uses
263 degrees kelvin
Twice the work
Difference in the sped of light in water vs. air

12. All objects with mass are attracted to another by the gravitational force
Difference between the heat supplied and the heat exhausted
Heat of fusion
Disorder
Newtons first principle of Universal Gravitation

13. Electromagnetic radiation can be viewed as...
Disorder
Waves and particles
5 m/s
Waste heat for secondary uses

14. If the mass of a cart full of groceries decreases of half and its speed doubles - the momentum of the cart...
5 m/s
Less on the moon
Remains unchanged
Means less power is transmitted

15. From the 50's and to the 70's - the pH of rain in the northeast had..
Less on the moon
Newtons second principle of Universal Gravitation
Decreased
Second principle of Centripetal force

16. If a charging elephant has kinetic energy - it must also have...
Momentum
Near a maximum
Halogen radicals interfering in ozone synthesis
Heat of fusion

17. The work that a heat engine is able to accomplish is ideally equivalent to the
Mechanical - chemical - and radiant energy
Difference between the heat supplied and the heat exhausted
Second principle of Centripetal force
Newtons third principle of Universal Gravitation

18. When you add heat to a substance - its temperature...
Means less power is transmitted
Increases the energy
Movement
Might stay the same

19. Which is not one of the fundamental forces of nature...
Difference in the sped of light in water vs. air
Universal
5 m/s
Means less power is transmitted

20. Entropy refers to...
Heat of fusion
Near a maximum
Disorder
12 miles per hour

21. Electrical energy can be converted to...
Remains unchanged
Newtons first principle of Universal Gravitation
Newtons second principle of Universal Gravitation
Mechanical - chemical - and radiant energy

22. The weight of one kilogram of iron on earth is...
Less on the moon
263 degrees kelvin
Newtons second principle of Universal Gravitation
Waves and particles

23. Electric power companies step up the voltage of generated power for transmission across the country because higher voltage...
Newtons third principle of Universal Gravitation
Means less power is transmitted
Halogen radicals interfering in ozone synthesis
Newtons first principle of Universal Gravitation

24. Raising an auto in a service station requires work. Raising it twice as high requires...
Newtons second principle of Universal Gravitation
Halogen radicals interfering in ozone synthesis
Twice the work
Less on the moon

25. The gravitational force - two masses are directly proportional to the mass of each object
Might stay the same
Difference in the sped of light in water vs. air
Newtons first principle of Universal Gravitation
Newtons second principle of Universal Gravitation

26. The larger the centripetal force - the faster an object travels in a circle of a given size
First principle of Centripetal force
Second principle of Centripetal force
Twice the work
Increasing speed and constant acceleration

27. The heat involved in the change of phase of phase from solid ice to liquid water is called...
Heat of fusion
Newtons second principle of Universal Gravitation
Disorder
Sulfur

28. Heat is the...
Less on the moon
Movement
Momentum
Total internal energy of an object

29. Neglecting air resistance - a ball in free fall near the earth's surface will have...
Increasing speed and constant acceleration
Waste heat for secondary uses
Sulfur
12 miles per hour

30. The gravitational force between two masses is inversely proportional to the square of the distance between those two objects.
Halogen radicals interfering in ozone synthesis
Twice the work
Remains unchanged
Newtons third principle of Universal Gravitation

31. A temperature of -10 degrees celsius is equivalent to...
First principle of Centripetal force
Near a maximum
263 degrees kelvin
Sulfur